Statutes, codes, and regulations
Code of Federal Regulations
Title 40 - PROTECTION OF ENVIRONMENTChapter I - ENVIRONMENTAL PROTECTION AGENCYSubchapter N - EFFLUENT GUIDELINES AND STANDARDSPart 419 - PETROLEUM REFINING POINT SOURCE CATEGORY
Subpart E - INTEGRATED SUBCATEGORY
Section 419.52 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)

40 C.F.R. § 419.52

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Current through October 31, 2024
Section 419.52 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
(a) Except as provided in 40 CFR 125.30 through 125.32 , any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Pollutant or pollutant propertyBPT Effluent Limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed
Metric units (kilograms per 1,000 m3 of feedstock)
BOD554.428.9
TSS37.323.7
COD1388.0198.0
Oil and grease17.19.1
Phenolic compounds0.400.192
Ammonia as N23.410.6
Sulfide0.350.158
Total Chromium0.820.48
Hexavalent chromium0.0680.032
pH(2)(2)
English units (pounds per 1,000 bbl of feedstock)
BOD119.210.2
TSS13.28.4
COD1136.070.0
Oil and grease6.03.2
Phenolic compounds0.140.068
Ammonia as N8.33.8
Sulfide0.1240.056
Total chromium0.290.17
Hexavalent chromium0.0250.011
pH(2)(2)

1 See footnote following table in § 419.13(d) .

2 Within the range 6.0 to 9.0.

(b) The limits set forth in paragraph (a) of this section are to be multiplied by the following factors to calculate the maximum for any one day and maximum average of daily values for thirty consecutive days.
(1) Size factor.

1,000 bbl of feedstock per stream daySize factor
Less than 124.90.73
125.0 to 149.90.76
150.0 to 174.90.83
175.0 to 199.90.91
200.0 to 224.90.99
225 or greater1.04

(2) Process factor.

Process configuration Process factor
Less than 6.490.75
6.5 to 7.490.82
7.5 to 7.990.92
8.0 to 8.491.00
8.5 to 8.991.10
9.0 to 9.491.20
9.5 to 9.991.30
10.0 to 10.491.42
10.5 to 10.991.54
11.0 to 11.491.68
11.5 to 11.991.83
12.0 to 12.491.99
12.5 to 12.992.17
13.0 or greater2.26

(3) See the comprehensive example in subpart D, § 419.42(b)(3) .
(c) The provisions of § 419.12(c) apply to discharges of process wastewater pollutants attributable to ballast water by a point source subject to the provision of this subpart.
(d) The quantity and quality of pollutants or pollutant properties controlled by this paragraph, attributable to once-through cooling water, are excluded from the discharge allowed by paragraph (b) of this section. Once-through cooling water may be discharged with a total organic carbon concentration not to exceed 5 mg/l.
(e)Effluent limitations for contaminated runoff. The following effluent limitations constitute the quantity and quality of pollutants or pollutant properties controlled by this paragraph and attributable to contaminated runoff, which may be discharged after the application of the best practicable control technology currently available by a point source subject to this subpart.
(1) If wastewater consists solely of contaminated runoff and is not commingled or treated with process wastewater, it may be discharged if it does not exceed 15 mg/l oil and grease and 110 mg/l total organic carbon (TOC) based upon an analysis of any single grab or composite sample.
(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 15 mg/l oil and grease or 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by the permit writer times the concentrations listed in the following table:

Pollutant or pollutant propertyBPT effluent limitations for contaminated runoff
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed
Metric units (kilograms per 1,000 m3 of flow)
BOD548.26.
TSS33.21.
COD1360.180.
Oil and grease15.8.
Phenolic compounds (4AAP)0.350.17
Total chromium0.730.43
Hexavalent chromium0.0620.028
pH(2)(2)
English units (pounds per 1,000 gallons of flow)
BOD50.400.22
TSS0.280.18
COD13.01.5
Oil and grease0.130.067
Phenolic compounds (4AAP)0.00290.0014
Total chromium0.00600.0035
Hexavalent chromium0.000520.00023
pH(2)(2)

1 In any case in which the applicant can demonstrate that the chloride ion concentration in the effluent exceeds 1,000 mg/l (1,000 ppm), the permitting authority may substitute TOC as a parameter in lieu of COD. A TOC effluent limitation shall be based on effluent data from the particular refinery which correlates TOC to BOD5. If in the judgment of the permitting authority, adequate correlation data are not available, the effluent limitations for TOC shall be established at a ratio of 2.2 to 1 to the applicable effluent limitations for BOD5.

2 Within the range of 6.0 to 9.0.

40 C.F.R. §419.52

47 FR 46446, Oct. 18, 1982, as amended at 50 FR 28522, 28523, July 12, 1985; 50 FR 32414, Aug. 12, 1985